STH Coal BB

Coal Quality

Parameter Unit Typical Range
Calorific Value (adb) kcal / kg 6,100 6,000 - 6,300
Calorific Value (ar) kcal / kg 5,500 5,300 - 5,700
Sulphur (adb) % 0.67 0.31 - 0.90
Ash (adb) % 16.0 8.0 - 12.0
Total Moisture (ar) % 24 22.0 - 25.0
Inherent Moisture (adb) % 10.0 11.0 - 13.0
Volatile Matter (adb) % 43.0 32.0 - 40.0
Fixed Carbon (adb) % 43.50 41.0 - 47.0
HGI Index 43 47 - 50

adb: air dried basis; ar: as received